Volcano Quiz: Test Your Knowledge about Volcanoes
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Questions and Answers

What is the opening in the Earth's crust where magma erupts to the surface called?

  • An opening of a volcano found at its summit (correct)
  • A large cloud that generates rain, hail, and lightning
  • A large storm with very high-speed winds
  • A violent shaking of the Earth that occurs when two tectonic plates bump into each other
  • What type of volcano is formed when lava is ejected from a single vent?

  • Super Volcano (correct)
  • Cinder Volcano
  • Shield Volcano
  • Composite Volcano
  • Which term refers to the quiet release of gas, lava, and ash from a volcano?

  • Epicenter
  • Evacuation
  • Eruption (correct)
  • Epidermis
  • What is the most violent and explosive type of volcano?

    <p>Shield Volcano</p> Signup and view all the answers

    Which type of cone is formed when a volcano erupts alternately with solidification of lava and cinders?

    <p>Composite Volcano</p> Signup and view all the answers

    What substance interacts with magma in phreatomagmatic eruptions?

    <p>Water</p> Signup and view all the answers

    Which type of volcanic eruption is characterized by continuous gas blasts and explosive ejection of viscous lava, gas-rich magma, and large volumes of pumice?

    <p>Plinian</p> Signup and view all the answers

    What type of volcanic eruption produces luminous arcs through the sky from bursts of molten lava clots?

    <p>Strombolian</p> Signup and view all the answers

    In what year did the famous eruption of Mt. Pinatubo occur?

    <p>1991</p> Signup and view all the answers

    Which of the following is NOT an indicator of an impending volcanic eruption?

    <p>Weather patterns</p> Signup and view all the answers

    Study Notes

    Definitions and Concepts

    • A volcano is an opening in the Earth's crust where magma erupts to the surface.
    • The opening at the summit of a volcano is called a vent.
    • A crater is a depression at the top of a volcano.

    Types of Volcanoes

    • Shield volcanoes have a broad shape with gentle slopes and are formed by the eruption of fluid lava flows.
    • Composite volcanoes are the most violent and explosive type of volcano and are formed by the eruption of a combination of lava flows, ash, and gas.
    • Cinder volcanoes are formed from the accumulation of ash and cinders from small-scale eruptions.

    Volcanic Eruptions

    • An eruption refers to the release of gas, lava, and ash from a volcano.
    • Phreatomagmatic eruptions occur when magma interacts with water.
    • Plinian eruptions are large explosive events characterized by continuous gas blasts and the explosive ejection of viscous lava, gas-rich magma, and large volumes of volcanic rock known as pumice.
    • Strombolian eruptions produce luminous arcs through the sky, produced from bursts of huge clots of molten lava.

    Volcanic Landforms and Rocks

    • Solidified lava belongs to the igneous rock family.
    • Volcanic landforms can be formed from lava ejected from a single vent.

    Notable Volcanoes and Eruptions

    • Mt. Mayon is a composite volcano.
    • The famous eruption of Mt. Pinatubo occurred in 1991.

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    Description

    Test your knowledge about volcanoes with this quiz! Learn about the different parts of a volcano and how they work. Make sure to carefully read each question before writing down your answers.

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